| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -97.0 | +2019.4% |
| 2023/12 | -4.6 | +1675.4% |
| 2022/12 | -0.3 | -116.2% |
| 2021/12 | 1.6 | -127.4% |
| 2020/12 | -5.8 | +487.7% |
| 2019/12 | -1.0 | -83.1% |
| 2018/12 | -5.8 | -58.1% |
| 2017/12 | -13.9 | -42.5% |
| 2016/12 | -24.2 | -62.3% |
| 2015/12 | -64.1 | +184.4% |
| 2014/12 | -22.6 | -31.2% |
| 2013/12 | -32.8 | -48.7% |
| 2012/12 | -63.8 | +474.6% |
| 2011/12 | -11.1 | - |